Pots
MOISTURE · 7D · PER POT
Markers explain a step in the line. Fertiliser reads 2–5 % wetter per dS/m.
Two-jar calibration
Pick a pot
01Probe in air
02Sample 60 s
03Water to the line
04Result
Per probe per chip. A probe moved to another node reads recalibrate until sampled again. Record: docs/calibration.md.